/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/VoiceInterface.h
virtual [FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) AddOnPlayerTalkingStateChangedDelegate_Handle ( const [FOnPlayerTalkingStateChangedDelegate](API\Plugins\OnlineSubsystem\Interfaces\FOnPlayerTalkingStateChangedDele-) & Delegate )